to fill the void out on the campaign trail, former president bill clinton and vice president joe biden were dispatched, not just to key swing states, but to democratic-leaning minnesota and pennsylvania, to respond to a last-minute push by the romney campaign. >> in the real world, barack obama's policies work better. >> reporter: the best news for the obama campaign in our new quinnipiac/cbs news/"the new york times" poll is that the president maintains a five-point lead in ohio, his firewall. he mostly has that lead, norah, because of a 17-point lead in the state among women, while governor romney leads among men but by a smaller six points. >> nancy cordes, thank you. let's bring in chief washington correspondent and host of "face the nation," bob schieffer. bob, good morning. >> good morning, charlie. >> so, how do you read the latest polls? >> well, it's very, very close. but you know, i've got to tell you, charlie, i'm with governor christie on one thing, it is very difficult to think about these polls right now when you look at the pictures that we've just been seeing, this deva